Home / 159,821,270.82-218,951,476.70-153,845,994.51

Finding the Fourth Proportional to 159,821,270.82, 218,951,476.70 and 153,845,994.51

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Solution

The fourth proportional to 159,821,270.82, 218,951,476.70 and 153,845,994.51 is: 210,765,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,821,270.82 : 218,951,476.70 = 153,845,994.51 : x
  2. Step 2: Convert to fraction form
    159,821,270.82/218,951,476.70 = 153,845,994.51/x
  3. Step 3: Cross multiply
    159,821,270.82x = 218,951,476.70 × 153,845,994.51
  4. Step 4: Simplify right side
    159,821,270.82x = 33,684,807,681,575,360
  5. Step 5: Solve for x
    x = 33,684,807,681,575,360/159,821,270.82
  6. Step 6: Final answer
    x = 210,765,485.15

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.